Operating Manual PG11 / PGE11 Page 11
2 Safety and Warnings PG11
PG11 Optical gas detector is certified for and intended for use in potentially hazardous areas. Install
and use the gas detector in accordance with the appropriate local or national regulations.
The gas detector shall be properly Earthed to protect against electrical shock and minimize electrical
interference.
Test gases may be combustible. Refer to Material Safety Sheets for appropriate warnings.
The detector shall be installed and operated by trained and qualified personnel only.
Do not open the detector housing, the warranty is not valid if it is open. There are no user
serviceable parts or settings inside. Return to service point for service or repair.
The area for which the detector will be installed shall be in accordance with the certification of the
detector and with the standards of the appropriate authority in the country concerned.
If the service temperature of the installation may exceed 70 °C, ensure the following:
● Cable glands are certified for the given temperature range.
● Cables are suited for use at temperatures above 78 °C.
The usage of unqualified glands, cables or conduits are considered hazardous.
3.1 Installation checklist
Below is the recommended procedure for installing the detector PG11:
1. Check that the detector is mounted in a horizontal orientation with tight bolts as described in section
“3.3 Mounting the detector”.
2. Verify correct wiring of the terminals as described in “3.3 Electrical connections and Earthing”.
3. Check that cable gland is suitable type and certification
4. Verify cable shielding has been correctly terminated.
5. Verify correct Earthing to external Earthing point on the Detector housing as described in “3.4
Electrical connections and Earthing”.
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